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How do I find the number of arguments passed to a Bash script?
... do some math (you can edit the operand) Thanks for Dennis Williamson, I did it. I'm posting to code because it may be usefull for someone.
– kaan yılmaz
Mar 4 '16 at 11:28
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Inject errors into already validated form?
After my form.Form validates the user input values I pass them to a separate (external) process for further processing. This external process can potentially find further errors in the values.
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Java reflection - impact of setAccessible(true)
...lass MyClass {
private String theField;
}
public static void main(String[] args) throws Exception {
MyClass myClass = new MyClass();
Field field1 = myClass.getClass().getDeclaredField("theField");
field1.setAccessible(true);
System.out.println(field1....
What is the C# equivalent to Java's isInstance()?
...valent of Java's isInstance. The other answer is simply wrong despite the ridiculous number of upvotes.
– Konrad Rudolph
Sep 21 '16 at 17:21
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Rails: How to list database tables/objects using the Rails console?
...cts').map(&:name)
You should probably wrap them in shorter syntax inside your .irbrc.
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TypeError: sequence item 0: expected string, int found
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string.join connects elements inside list of strings, not ints.
Use this generator expression instead :
values = ','.join(str(v) for v in value_list)
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Python argparse ignore unrecognised arguments
...all unrecognised arguments and carries on. In most situations, this isn't ideal and was changed in argparse. But there are a few situations where you want to ignore any unrecognised arguments and parse the ones you've specified.
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Typical AngularJS workflow and project structure (with Python Flask)
I am pretty new to this whole MV* client-side framework frenzy. It doesn't have to be AngularJS, but I picked it because it feels more natural to me than either Knockout, Ember or Backbone. Anyway what is the workflow like? Do people start with developing a client-side application in AngularJS and t...
back button callback in navigationController in iOS
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William Jockusch's answer solve this problem with easy trick.
-(void) viewWillDisappear:(BOOL)animated {
if ([self.navigationController.viewControllers indexOfObject:self]==NSNotFound) {
// back button was pressed. We know this is true because self is no longer
// in the ...
What is difference between sjlj vs dwarf vs seh?
I can't find enough information to decide which compiler should I use to compile my project. There are several programs on different computers simulating a process. On Linux, I'm using GCC. Everything is great. I can optimize code, it compiles fast and uses not-so-much memory.
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